Lamas is a surname. Notable people with the surname include:
Carlos Saavedra Lamas (1878–1959), Argentine academic and politician Fernando Lamas (1915–1982), Argentine actor and director Joe Lamas (1916–1996), American football player José Ángel Lamas (1775–1814), Venezuelan composer Lorenzo Lamas (born 1958), American actor Julio Lamas (born 1964), Argentine basketball coach Pedro Lamas Baliero, Uruguayan chess master Ricardo Lamas (born 1982), American mixed martial artist Shayne Lamas (born 1985), American actress